Answered
How to divide a line into several parts and obtain the coordinates?
This roughly what you're looking for? for i= 1:number_of_iterations B(i) = Bi + i*l; end

10 years ago | 0

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Why cell arrays and structure consume extra memory?
The memory for a structure needs to contain: The size of the structure. The names of the fields. Something that says "He...

10 years ago | 3

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'Decimal Fixed Point Scaling' To 'Binary Fixed Point Scaling' Conversion
floating = 10.72; % this is a floating point value (32 or 64 bit value) scaled = floating * 10; %floating point value (32 or ...

10 years ago | 0

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How to do noise analysis of input signal?
You should figure out "what flicker noise means" - I would take (temporal) noise to be the RMS variation from the expected value...

10 years ago | 0

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Renaming Imported Variable with Initally Unknown Name
eval or setfield can do something for you I think You would do better to change your code that reads the files to not name th...

10 years ago | 0

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Answered
Why the trigonometry results are different
That's likely just the effect of small numerical errors. After all, according to matlab, 1E300 + 1 - 1E300 = 0, and 1...

10 years ago | 0

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why we will get voltage spike across inductors
Inductors get voltage spikes across them when a voltage is suddenly applied to it. Its what they do. The voltage on an induc...

10 years ago | 0

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Quad error, simple function,
I guess that you've missed off declaring a few operations as elementwise operations, and it's getting out a square matrix instea...

10 years ago | 0

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variables into a data structure
OriginalData.Name = Name; OriginalData.Em = Em; OriginalData.Ex = Ex; etc. etc.

10 years ago | 0

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Polynomial fitting with multiple variables and unequal matrix length
It kinda depeneds how those variables interact. A "simple" method is to use the polyfit function to get a suitable relations...

10 years ago | 1

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Is there a a function/code which can make the darker bits darker and the lighter bits lighter?
Yup. Calculate the difference from the image's mid level (128 probably, but this depends on how you're dealing with the image...

10 years ago | 0

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Storing results from a for-loop in a vector of zeros
Indexing in matlab is done from a base of _one_. So, A(3479) = 1; will change the 3479th element of A to 1. You ne...

10 years ago | 0

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gca function in matlab
gca returns the handle to the current axis. - it generates one if there is no current axis.

10 years ago | 1

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How to Check dimension mismatch of an element?
numel(q) < 3

10 years ago | 0

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Answered
Trouble plotting multiple graphs
Theres something wrong with your sums. By hand, calculate D, for A = 0.1 and M = 0 & 100. You ought to see that D is negative...

10 years ago | 0

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I have a data of binary format. i.e the data is stored in .dat file format. How to open these files in MatLab and then ve to find the pentad average of these data.
What you need to do is open the dat file, read out the data, then process that data. fid = fopen(filename,'r'); % open th...

10 years ago | 0

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Answered
How can a save to a NEW excel file
xlswrite will generate new files if the filename you give it doesn't already exist. delete(filename) will delete an existing ...

10 years ago | 0

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exporting listbox to excel while adding spaces in between variable names
Its playing with cell arrays: Variable_Name = {'One','Two','Many'}; chosen_variable_names = Variable_Name(index); Output...

10 years ago | 0

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index must be a positive integer or logical.
The issue is that, on the second time through the loop, i = 1.01, you need to make i into an integer. I suggest having, ...

10 years ago | 0

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How to feed a function's output later on?
I reckon this will do it: function z = f(x,y) persistent old_x old_y old_z if isempty(old_x) old_x = x; old_...

10 years ago | 0

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Answered
Compare two matrices in Matlab
answer = matrix2(matrix1 == number_of_interest)

10 years ago | 0

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Converting a matrix of points to a list of x & y coordinates
Index_of_As = find( matrix ); [down along] = ind2sub(size(matrix),Index_of_As);

10 years ago | 0

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find duplicate values, sort them and get their indices
This might be what you're looking for: Amplitude(Position == 15 & Ray == 1) Ot maybe: RayNumbers = Ray(Position == 15...

10 years ago | 1

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help with error in coding
Change D{1,m}(n,:) = B; To: D{1,m}{n} = B;

10 years ago | 0

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How to simplify a code to remove a for loop and make it faster?
One of these ought to do it: B = C' * D; or B = C' * D'; You might need to transpose B to get what you want.......

10 years ago | 0

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logical operators in if statement
Your loop's final execution (barring errors) will have x = length(list) list(x+2) is liable to throw an error when x + 2 is g...

10 years ago | 0

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How to bring data from variables(workspace tab) into gui?
I can think of four ways to skin this cat: 1. Declare the variables as global in all workspaces you want access to them. (I'...

10 years ago | 0

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Answered
Interesting confusion in matlab - Number format
Double format numbers are only accurate to about 15 significant figures. When you do sums, you can get errors at the 15th signif...

10 years ago | 0

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xlsread merge & center and highlight in red
Ok, theres three things you have to do: 1. Determine the visual basic code that excel uses to achieve that. Record a macro ...

10 years ago | 0

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How can I delete repeated elements? (not unique!)
output = [input(1) input(find(diff(input))+1)]

10 years ago | 0

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